Ruige Kong seated in a lounge, wearing a white shirt

Ruige Kong

PhD Researcher, Mechanical Engineering

University of Washington, AI Institute in Dynamic Systems

Advised by Prof. Stefania Fresca

  • Scientific machine learning
  • Dynamics and control
  • Fluid mechanics
  • Reinforcement learning

I build reliable models and controllers for physical systems by auditing neural surrogates against high-fidelity simulations.

Publications

Google Scholar
2026Workshop accepted

Sim2Science workshop at NeurIPS 2026 · Accepted

Audited Surrogate Gradients for Efficient Model-Based Flow Control

Ruige Kong, Stefania Fresca

Audits surrogate action gradients against high-fidelity finite differences, extracts a compact feedback law, and anchors policy optimization to that law before validating controllers in the original solver.

Journal manuscript: In preparation for submission to TMLR.

2026Submitted

Learning for Dynamics and Control Conference (L4DC)

Spatial Context or Memory? Sizing the Inputs of Neural Surrogates for Partially Observed Fields

Ruige Kong

Studies when temporal history can replace spatial context in forecasting from sparse or noisy sensors, using exact Gaussian conditioning and learned models of linear fields, Burgers flow, and the Kuramoto–Sivashinsky equation.

Submitted to L4DC.

Research

Current work

Audited Surrogate Gradients for Efficient Model-Based Flow Control

Audits surrogate action gradients against high-fidelity finite differences, extracts a compact feedback law, and anchors policy optimization to that law before validating controllers in the original solver.

  • Neural operators
  • Model-based control
  • Gradient auditing
  • Direct numerical simulation
Additional

Machine learning for satellite dynamics

Contributions to the FISICA project. Further details are limited due to confidentiality.

Experience

2025 to present

Graduate Research Assistant

University of Washington, SCiDaMa Group

Develop neural surrogates and reinforcement learning methods for high-dimensional flow control. Audit learned action sensitivities and validate controllers in direct numerical simulation.

2023 to 2025

Machine Learning Researcher

University of Cambridge

Studied nonlocal state inference in neural PDE surrogates from partial and spatially coarsened observations.

2023 to 2025

Deep Learning Researcher

Imperial College London, Data Science Institute

Compared CNN and transformer architectures for wildfire segmentation and analyzed feature attribution with SHAP, Grad-CAM, and Integrated Gradients.

Summer 2024

Quantitative Research Intern

J.P. Morgan, Quantitative Solutions

Built transformer research pipelines for financial-news sentiment analysis and stock-return forecasting.

Summer 2023

Deep Learning Intern

European Bioinformatics Institute, Goldman Group

Developed synthetic-data simulations and CNN and transformer models for biological sequence classification.

Education and recognition

Education

2025 to 2030

PhD, Mechanical Engineering

University of Washington, AI Institute in Dynamic Systems

Scientific machine learning, fluid mechanics, reinforcement learning, and optimal control.
2021 to 2025

MEng and BA, Information and Computer Engineering

University of Cambridge

Machine learning, computational science, inference, control, and signal processing.

Selected recognition

2024

1st Place
AIGC Hackbridge UK Hackathon

2023

2nd Place
Citadel European Datathon

2023

Gold Medal
iGEM Synthetic Biology Competition

2023

1st Place
AIGC Hackbridge UK Hackathon

2023

Top 1%
IMC Quantitative Trading Competition